Round gemstone



FIG. 1 is a top plan view of a round gemstone according to the design of my invention;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a front elevational view thereof, the rear elevational view thereof being a mirror image; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a round gemstone, as shown and described. 